Spawning grounds and nests of Trachidermus fasciatus (Cottidae) in the Kashima and Shiota estuaries system facing Ariake Bay, Japan

Norio Onikura, Naohiko Takeshita, Seiichi Matsui, Seiro Kimura

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The spawning grounds of a cottid fish, Trachidermus fasciatus, were investigated off the mouth of the Kashima River in Ariake Bay from January to March, 1996-1999. The nests were found about 1.1-2.3 km off the mouth of the river, where the bottom salinity was 8‰-21‰ at low tides. Oyster shells were mainly found to be used as nests. A male, a pair, a male and egg clusters, a pair and egg clusters, or a female were found inside shells. The average number of guarded egg clusters per male in shells was 1.3 ± 0.4.

Original languageEnglish
Pages (from-to)198-201
Number of pages4
JournalIchthyological Research
Volume49
Issue number2
DOIs
Publication statusPublished - Jan 1 2002

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics

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